Detection Condition
WARNING: This page is about a different car, the 2003 Mazda MPV and 2002 Mazda MPV. However, it is still accessible from the selected car via links, so may be relevant.
DTC is set, when PCM has not received brake switch input signal 10 times while accelerating and decelerating repeatedly. This is a continuous monitor. MIL is illuminated if PCM detects malfunction in 2 consecutive drive cycles.